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Publication numberEP2088461 A3
Publication typeApplication
Application numberEP20090151974
Publication date4 Nov 2009
Filing date3 Feb 2009
Priority date5 Feb 2008
Also published asEP2088461A2, US20090195850
Publication number09151974, 09151974.4, 2009151974, EP 2088461 A3, EP 2088461A3, EP-A3-2088461, EP09151974, EP20090151974, EP2088461 A3, EP2088461A3
InventorsKenichi Takahashi
ApplicantSony Corporation
Export CitationBiBTeX, EndNote, RefMan
External Links: Espacenet, EP Register
Liquid optical element
EP 2088461 A3
Abstract
A liquid optical element (10) includes: an insulating film (13); a wall structure (14) arranged upright on the insulating film (13) to surround a region on the insulating film (13); a first electrode (12) arranged in contact with the insulating film (13); a second electrode (17) arranged to face the first electrode (12); and a polar liquid (16) and a nonpolar liquid (15) sealed between the insulating film (13) and the second electrode (17) to a state where the polar liquid (16) and the nonpolar liquid (15) are separated from each other. One of the polar liquid (16) and the nonpolar liquid (15) is transparent, while the other is opaque. At least one of the first electrode (12) and the second electrode (17) has an aperture or a notch in a region corresponding to the region surrounded by the wall structure (14).
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Patent Citations
Cited PatentFiling datePublication dateApplicantTitle
EP1873560A2 *14 Jun 20072 Jan 2008Jer-Liang Andres YehLens with adjustable focal length
US6369954 *7 Oct 19989 Apr 2002Universite Joseph FourierLens with variable focus
US20040179259 *8 Mar 200416 Sep 2004Fuji Photo Film Co., Ltd.Display device
WO2006017129A2 *8 Jul 200516 Feb 2006University Of CincinnatiDisplay capable electrowetting light valve
Classifications
International ClassificationG02B26/02
Cooperative ClassificationG09G2300/0443, G09G2300/0439, G09G3/3433, G09G2300/0465, G02B26/004, G02B2207/117
European ClassificationG02B26/00L, G09G3/34E
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